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United States Patent | 5,704,760 |
Bouchard ,   et al. | January 6, 1998 |
A gas turbine engine having coannular components 22, 30 includes means for receiving and retaining a replaceable brush seal 60 so that the seal bristles impede the leakage of air through an intercomponent gap 41. In the preferred embodiment one of the components is a hollow, cylindrical barrel 30 comprising upper and lower barrel segments and the receiving and retaining means includes a retainer 52. The retainer cooperates with the barrel to define a groove 56 within which the brush seal is trapped radially and axially. The brush seal slides circumferentially within the groove to facilitate seal installation and removal.
Inventors: | Bouchard; Joseph P. (Arundel, ME); Long; Merrell W. (Waterboro, ME) |
Assignee: | United Technologies Corporation (Hartford, CT) |
Appl. No.: | 770312 |
Filed: | December 20, 1996 |
Current U.S. Class: | 415/170.1; 277/355; 415/230 |
Intern'l Class: | F04D 029/08 |
Field of Search: | 415/170.1,173.6,173.7,174.2,229,230 277/53 |
4209268 | Jun., 1980 | Fujiwana et al. | 277/53. |
5074748 | Dec., 1991 | Hagle | 415/170. |
5114159 | May., 1992 | Baird et al. | 415/174. |
5181728 | Jan., 1993 | Stec | 277/53. |
5201530 | Apr., 1993 | Kelch et al. | 277/53. |
5480165 | Jan., 1996 | Flower | 277/53. |
5501573 | Mar., 1996 | Sanders | 277/53. |
5522698 | Jun., 1996 | Butler et al. | 415/170. |